Red-sided Garter Snake vs Rough Green Snake
How does the Red-sided Garter Snake compare to the Rough Green Snake? They are both members of the Colubridae family. Below we put their classification, habitat, diet, size, and conservation status side by side — and settle who would win in a fight.


Side-by-side comparison
- Scientific name
- Thamnophis sirtalis parietalis
- Opheodrys aestivus
- Classification
- Reptile
- Reptile
- Family
- Colubridae
- Colubridae
- Habitat
- Grasslands, prairies, forest edges, and wetlands
- Woodlands, thickets, and edges of streams or lakes
- Diet
- Carnivore
- Carnivore
- Conservation status
- Least Concern
- Least Concern
- Lifespan
- 4-6 years in the wild
- 6-8 years
- Weight
- 50-150 grams
- 15-30 grams
Red-sided Garter Snake vs Rough Green Snake: who would win?

Red-sided Garter Snake
50-150 grams

Rough Green Snake
15-30 grams
Red-sided Garter Snake wins high confidence
Red-sided Garter Snake is substantially heavier (50-150 grams vs 15-30 grams). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
Similarities
- Both are reptiles.
- Both belong to the Colubridae family.
- Both have a carnivore diet.
- Both are listed as Least Concern.
Differences
- Habitat: Grasslands, prairies, forest edges, and wetlands vs Woodlands, thickets, and edges of streams or lakes.
- Weight: 50-150 grams vs 15-30 grams.
Red-sided Garter Snake vs Rough Green Snake: FAQ
Who would win in a fight, a Red-sided Garter Snake or a Rough Green Snake?
Red-sided Garter Snake wins. Red-sided Garter Snake is substantially heavier (50-150 grams vs 15-30 grams). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
What is the difference between a Red-sided Garter Snake and a Rough Green Snake?
Red-sided Garter Snake and Rough Green Snake differ in several ways — habitat: grasslands, prairies, forest edges, and wetlands vs woodlands, thickets, and edges of streams or lakes. weight: 50-150 grams vs 15-30 grams.
Do Red-sided Garter Snake and Rough Green Snake live in the same habitat?
No — Red-sided Garter Snake lives in grasslands, prairies, forest edges, and wetlands, while Rough Green Snake is found in woodlands, thickets, and edges of streams or lakes.
What do Red-sided Garter Snake and Rough Green Snake eat?
Both Red-sided Garter Snake and Rough Green Snake have a carnivore diet.
Which is more endangered, the Red-sided Garter Snake or the Rough Green Snake?
Red-sided Garter Snake is listed as Least Concern, while Rough Green Snake is listed as Least Concern.
How big are Red-sided Garter Snake and Rough Green Snake?
Red-sided Garter Snake weighs around 50-150 grams, while Rough Green Snake weighs around 15-30 grams.

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Red-sided Garter Snake

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Rough Green Snake







